Place
- Calke, Kent1
- Canossa, S. Italy1
- Carpentras, France1
- Castle-Morton, Worcestershire1
- Catignano, Italy1
- Chacomb, Northamptonshire1
- Chioggia, Venice1
- Chippenham, Wiltshire1
- Château-du-Loir, France1
- Cirisano, Italy1
- Cliff-at-Hoo, Kent1
- Cliffe, Kent1
- Coblenz, Germany1
- Colombs, the diocese of Chartres1
- Compiègne, France1
- Condom, France1
- Constantia, Phoenicia1
- Conway, Caernarfonshire1
- Cookham, Berkshire1
- Corsham, Wiltshire1